Search for PARI Report/Technical Note
Study of Drag Suction Head (Part 1) - On the basic geometry of draghead-
Port and Airport Research Institute 012-04-07
December, 1973
Tokuji YAGI,Tadasu OKUDE,Akio KOREISHI
In order to find out the best geometry of the draghead with high efficiency, the authors have investigated the variation of the o...
Crack Characteristics of Reinforced Concrete Beams with Large-sized Deformed Bars
Port and Airport Research Institute 012-04-06
December, 1973
Hiroshi SEKI
This paper discusses flexural property, crack propagation and maximum crack width of reinforced concrete beams (0.4×0.6×5.0m) used...
Average Response Spectra for Various Site Conditions
Port and Airport Research Institute 012-04-05
December, 1973
Earthquake Resistant Struetures Laboratory
Hajime TSUCHIDA,Eiichi KURATA,Tokuzo ISHIZAKA,Satoshi HAYASHI
Response spectra for 222 horiazntal components of strong motion accelerograms obtained in port areas in Japan were calculated; an...
Rapid Consolidation Test under Continuous Loading
Port and Airport Research Institute 012-04-04
December, 1973
Yasufumi UMEHARA,Kazuaki MATSUMOTO,Minoru NARITA,Hirofumi UMEDA
A series of continuously loading consolidation tests both at constant rate of strain and at constant rate of stress were performe...
Rutting of Asphalt Pavement for Airports
Port and Airport Research Institute 012-04-03
December, 1973
Runways Laboratory
Hiraku MORIGUCHI,Toyoaki ASAJIMA,Hideo SHIBUYA
This paper presents the field investigation of rutting of asphalt pavements for airports and the laboratory test of asphalt mixtu...
Thoretical and Experimental Investigation of Wave Forces on a Fixed Vessel Approximated with an Elliptic Cylinder
Port and Airport Research Institute 012-04-02
December, 1973
Wave Laboratory
Yoshimi GODA,Tomotsuka TAKAYAMA,Tadashi SASADA
This is a fundamental study on wave forces exerted upon moored ships or floating offshore platforms. A theory is developed for th...
Experiments on Sand Movement by Waves and Currents
Port and Airport Research Institute 012-04-01
December, 1973
Norio TANAKA,Hiroaki OZASA,Akira OGASAWARA
When shoalings of port, sea route, and estuary are studied, investigations are required on the subject that how sand movement (be...
On the Ais-Lift Characteristics with Gas-Liquid Mixture
Port and Airport Research Institute 012-03-08
September, 1973
Yoshikuni OKAYAMA,Tokuji YAGI
The air lift system is very unique method for deep dredging due to its simple mechanism with no restriction such as a vacuum in a...
On the distribution of solid concentration and flow velocity at time of transporting the fine sand in a horizontal pipe
Port and Airport Research Institute 012-03-07
September, 1973
Akio KOREISHI,Tokuji YAGI,Tadasu OKUDE
In order to analyze the flow mechanics of the heterogeneous flow in pipes the distribution of solid concentration and flow veloci...
System Design of Transitsheds and Warehouses (Part-2)
Port and Airport Research Institute 012-03-06
September, 1973
Systems Laboratory
Yoshinobu HAYAFUJI,Kazuo KUDO
An analytical approach to the storage demand of transitsheds or warehouses was reported in Part-1 (Report of PHRI Vol.11 No.4). T...
Corrosion of Steel Bars at Crack of Reinforced Concrete Exposed to Sea Environments
Port and Airport Research Institute 012-03-05
September, 1973
Hiroshi SEKI,Hiroshi MARUYAMA
Reinforced concrete beams (15cm×30cm×1.8m) had been kept at the tidal pool which simulated the natural sea condition of ebb and f...
Model Experiment On Tidal Current and Substance Diffusion in Osaka Bay
Port and Airport Research Institute 012-03-04
September, 1973
Marine Diffusion Laboratory
Yasuo KANEKO,Takeshi HORIE,Kazuo MURAKAMI,Nobuyuki UENO,Masanori KUBO
This report deals with the experimental investigation of the effect of large-scale reclamations on the tidal currents and polluta...
On the profile of seawalls at the resort beach
Port and Airport Research Institute 012-03-03
September, 1973
Hydraulic Engineering Division
Michiyo HATTORI,Shoji SATO
From the view-point of utilization of beach for recreation, seawalls with a step for promenade in its front have been recommended...
A New Method of Wave Pressure Calculation for the Design of Composite Breakwater
Port and Airport Research Institute 012-03-02
September, 1973
Wave Laboratory
Yoshimi GODA
The author's previous experimental data on wave pressure and other relevant data have been utilized for the development o...
Motion of Composite Breakwater on Elastic Foundation under the Action of Impulsive Breaking Wave Pressure
Port and Airport Research Institute 012-03-01
September, 1973
Wave Laboratory
Yoshimi GODA
An upright section of composite breakwater will vibrate but may not slide under the action of impulsive breaking wave pressure be...
A experimental study on the interaction between trench-type tunnels and soils (2nd Report) - The influence under faults or differential settlements-
Port and Airport Research Institute 012-02-04
June, 1973
Takuji NAKANO,Tamio TABUCHI,Yoshinori AOKI
This paper describes the test about an influence under faults or differential settlements. On the test, ten kinds of faults and t...
Studies on the Vertical Distributions of the Earthquake Motions in the Superficical Soil Layers (1st Report) -Observation and Analysis of the Earthquake Motions in a Clay Layer-
Port and Airport Research Institute 012-02-03
June, 1973
Vibration Laboratory
Hideo ARAI,Moriyoshi IWABUCHI
The earthquake motions in a layer of clay about 40m thick under which there is the bed rock, are observed by the bore-hole seismom...
Vibration Test and Circular Arc Analysis for Full-scale Models of Levee (Second Report)
Port and Airport Research Institute 012-02-02
June, 1973
Seteuo NODA,Hajime TSUCHIDA,Eiichi KURATA
The vibration test has been performed on the full-scale models of levee and the stability of the structure has been analyzed by m...
Vibration Characteristics of theOpen Type Steel Piled Wharf with Container Crane
Port and Airport Research Institute 012-02-01
June, 1973
Earthquake Resistant Struetures Laboratory
Takamasa INADOMI,Satoshi HAYASHI,Ikuhiko YAMASHITA
The open type steel piled wharves with container cranes have been constructed at many ports in Japan recently. However, there is a...
A Study on Excavation of Model of Rock (a Mortar Specimen) by Bite-type Cutters
Port and Airport Research Institute 012-01-06
March, 1973
Koji ISHIZUKA
Excavation forces required to excavate a mortar specimen of which unixial commpressive strength is 100 to 300 kg/cm2, keeping the...